81285910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8219}}^1$

素因数の和:8292

約数の個数: 32

約数和(自身を含む): 156245760

約数和(自身を除く): 74959850

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 8219, 9890, 16438, 41095, 82190, 189037, 353417, 378074, 706834, 945185, 1767085, 1890370, 3534170, 8128591, 16257182, 40642955, 81285910]

約数ペア:

[(1, 81285910), (2, 40642955), (5, 16257182), (10, 8128591), (23, 3534170), (43, 1890370), (46, 1767085), (86, 945185), (115, 706834), (215, 378074), (230, 353417), (430, 189037), (989, 82190), (1978, 41095), (4945, 16438), (8219, 9890)]